CN101426048B - Building type wireless message leaving door bell based on ADPCM voice compression code - Google Patents
Building type wireless message leaving door bell based on ADPCM voice compression code Download PDFInfo
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- CN101426048B CN101426048B CN2008102039956A CN200810203995A CN101426048B CN 101426048 B CN101426048 B CN 101426048B CN 2008102039956 A CN2008102039956 A CN 2008102039956A CN 200810203995 A CN200810203995 A CN 200810203995A CN 101426048 B CN101426048 B CN 101426048B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention is based on the ADPCM voice compression coding algorithm building wireless doorbell message. It includes a main controller and a set of user terminals using point-to-multipoint wireless handshake agreement to form a wireless network of voice signal transmission. Can be used for residential quarters, office buildings, such as Access Control Systems. User terminals in a normal low-power sleep state, when the caller sent through the host controller when the call signal in response to the user terminals have been wake-up call, lights flashing, music bell rings if the response to pressing the button to answer and host controller to engage in dialogue to establish a connection; if nobody answer, call may choose whether or not messages.
Description
Technical field
The present invention relates to message transmission and wireless communication field, specifically be a kind of based on the ADPCM speech compression coding algorithm building type wireless message leaving door bell.
Background technology
Existing building type doorbell all is line transmission system basically, and can not store message.
The ADPCM speech compression coding algorithm is a kind of adaptive difference pulse code modulation algorithm.This algorithm has utilized the correlation between the voice signal sampled point, and at the non-stationary characteristics of voice signal, has used adaptive prediction and adaptive quantizing, has the high-quality characteristics of high efficiency.
Building type wireless message leaving door bell is a kind of wireless speech signal transmission system at point-to-multipoint, adopts wireless handshake communication agreement, and the available message of whether storing.
Summary of the invention
The objective of the invention is to deficiency, a kind of building type wireless message leaving door bell based on the ADPCM speech compression coding algorithm is provided, can be used for the gate control system of residential quarters, office block etc. at prior art.
For achieving the above object, design of the present invention is: adopt wireless communication module, the wireless point-to-multipoint handshake communication agreement of 433MHz frequency range and have the voice signal processing and the memory module of ADPCM encoding and decoding, form wireless speech transmitting-receiving and storage device.This device is made up of a master controller and one group of user terminal.User terminal is in the dormancy low power consumpting state at ordinary times, when calling party was sent call signal by master controller, relevant user terminals was waken up, and indicator light is glittering, music tone ringer sounds, and if answer party press is answered key and can be connected with master controller and engage in the dialogue; If nobody replys, whether calling party can be selected to leave a message.After message finishes, have the indicator light prompting on the relative users terminal.Technical measures are as follows:
1, on hardware circuit, the voice transmitting-receiving circuit adopts wireless mode, compares with traditional Line Doorbell that has, and it is convenient to install, and its power consumption is the employing hierarchical control, and purpose is to reduce power consumption to greatest extent.
2, master controller and user terminal all have a timer that is independent of beyond the microprocessor can directly control the dormancy and the operating time of wireless transceiver circuit, this structure with use traditional microprocessor internal timer control compare low in energy consumption and also controls reaction speed fast.
3, master controller and user terminal all have one to be independent of microprocessor ADPCM encoding and decoding speech circuit in addition, and this design is compared with using traditional AD converter mode, and the efficient that voice signal is handled is higher, better quality.
4, master controller and user terminal all have a microprocessor to include the wireless receiving and dispatching and the storage protocol of voice signal, control whole hardware circuit operate as normal.
5, user terminal has a high-speed large capacity memory, can be for one section long voice messaging of storage.
According to the foregoing invention design, the present invention adopts following technical proposals:
A kind of building type wireless message leaving door bell based on the ADPCM speech compression coding algorithm, comprise a master controller and one group of user terminal, it is characterized in that described master controller and user terminal carry out the exchange and the transmission of voice signal by wireless mode, adopt wireless point-to-multipoint Handshake Protocol, form the wireless speech signal transmission network; User terminal has memory function, the encoding and decoding high efficiency high-quality of voice signal.
The structure of above-mentioned master controller is: a wireless transmit/receive units connects a microprocessor by an I/O mouth, described microprocessor connects a timer and an encoding and decoding speech unit, described encoding and decoding speech unit connects a built-in microphone and a boombox, and a power supply provides working power for each component units; By microprocessor control wireless transmit/receive units mode of operation, after built-in microphone has the voice signal input, signal is given the encoding and decoding speech unit by the I/O oral instructions, after a series of processing is done to signal in the encoding and decoding speech unit, encoded signals sends wireless transmit/receive units to, and it is gone out from antenna transmission; After wireless transmit/receive units received voice signal, signal was given the encoding and decoding speech unit by the I/O oral instructions, and the encoding and decoding speech unit emits decoded signal after signal is done a series of processing by boombox.
Above-mentioned master controller adopts hierarchical control, is the wireless speech R-T unit based on the ADPCM speech compression coding algorithm of small low-consumption.
The structure of above-mentioned user terminal is: a wireless transmit/receive units connects a microprocessor by an I/O mouth, described microprocessor connects an encoding and decoding speech unit, a high-speed large capacity memory and a timer, described encoding and decoding speech unit connects a built-in microphone and a boombox, and a power supply provides working power for each component units; Radio receiving transmitting module is controlled its mode of operation by microprocessor, after the radio receiving transmitting module of user terminal receives voice signal, give the encoding and decoding speech unit with data by the I/O oral instructions, the encoding and decoding speech unit emits decoded signal after signal is done a series of processing by boombox; After built-in microphone had the voice signal input, signal was given the encoding and decoding speech unit by the I/O oral instructions, and after a series of processing was done to signal in the encoding and decoding speech unit, encoded signals sent wireless transmit/receive units to, and it is gone out from antenna transmission.
But above-mentioned wireless transmit/receive units, microprocessor and high-speed large capacity memory have been formed the system of a store voice signal.
The present invention compared with prior art, have following conspicuous outstanding substantive distinguishing features and remarkable advantage: the present invention adopts wireless formation voice signal transmission network, adopt the point-to-multipoint Handshake Protocol, make installment work simplify greatly, on power consumption, adopt hierarchical control, fundamentally prolonged the life-span of battery; The ADPCM algorithm is adopted in the voice signal encoding and decoding, has the high-quality advantage of high efficiency; The built-in high-speed large capacity memory of user terminal can be for one section long voice messaging of storage, like this user not the time visitor just can stay message, very convenient and practical.
Description of drawings
Fig. 1 is the structural representation of wireless speech transmitting-receiving with storage system.
Fig. 2 is the structural representation of master controller.
Fig. 3 is the structural representation of user terminal.
Fig. 4 is the profile schematic diagram of master controller.
Fig. 5 is the profile schematic diagram of user terminal.
Embodiment
Details are as follows in conjunction with the accompanying drawings for a preferred embodiment of the present invention:
As shown in Figure 1, this building type wireless message leaving door bell based on the ADPCM speech compression coding algorithm comprises a master controller 1 and one group of user terminal 2, described master controller 1 and user terminal 2 carry out the exchange and the transmission of voice signal by wireless mode, adopt wireless point-to-multipoint Handshake Protocol, form the wireless speech signal transmission network; User terminal 2 has memory function, the encoding and decoding high efficiency high-quality of voice signal.All user terminals 2 in the building are the center with the master controller 1 that is installed on the gate control system, constitute whole system by wireless mode.Master controller 1 and user terminal 2 are in low power consumpting state when flat, each is controlled the time of its dormancy and work by a timer that is independent of beyond the microprocessor.
As shown in Figure 2, the structure of above-mentioned master controller 1 is: a wireless transmit/receive units 101 connects a microprocessor 102 by an I/O mouth 104, described microprocessor 102 connects a timer 107 and an encoding and decoding speech unit 103, described encoding and decoding speech unit 103 connects a built-in microphone 105 and 106, one power supplys 108 of a boombox provide working power for each component units; By microprocessor 102 control wireless transmit/receive units 101 mode of operations, after built-in microphone 105 has the voice signal input, signal sends encoding and decoding speech unit 103 to by I/O mouth 104, after the 103 pairs of signals in encoding and decoding speech unit are done a series of processing, encoded signals sends wireless transmit/receive units 101 to, and it is gone out from antenna transmission; After wireless transmit/receive units 101 received voice signal, signal sent encoding and decoding speech unit 103 to by I/O mouth 104, after the 103 pairs of signals in encoding and decoding speech unit are done a series of processing, decoded signal was emitted by boombox 106.
As shown in Figure 3, the structure of above-mentioned user terminal 2 is: a wireless transmit/receive units 201 connects a microprocessor 202 by an I/O mouth 204, described microprocessor 202 connects an encoding and decoding speech unit 203, a high-speed large capacity memory 207 and a timer 2 08, described encoding and decoding speech unit 203 connects a built-in microphone 205 and 206, one power supplys 209 of a boombox provide working power for each component units; Radio receiving transmitting module 201 is by microprocessor 202 its mode of operations of control, after the radio receiving transmitting module 201 of user terminal 2 receives voice signal, send data to encoding and decoding speech unit 203 by I/O mouth 204, after the 203 pairs of signals in encoding and decoding speech unit are done a series of processing, decoded signal is emitted by boombox 206; After built-in microphone 205 has the voice signal input, signal sends encoding and decoding speech unit 203 to by I/O mouth 204, after the 203 pairs of signals in encoding and decoding speech unit were done a series of processing, encoded signals sent wireless transmit/receive units 201 to, and it is gone out from antenna transmission.
As Fig. 4, shown in Figure 5, the user number that calling party is wished visit by 301 inputs of digital function key panel, user number can be presented on the LED display 302, master controller 1 sends call signal, can demonstrate Call Waiting countdown on the LED display 302 this moment, and relevant user terminals 2 is waken up, and red LED indicator light 405 is glittering, music tone ringer sounds, answer party if press answer key 401 can with master controller 1 words that work of going forward side by side that connect.
If the countdown concluded ring unanswered still, whether calling party can be selected to leave a message, can stay message by the record button of pressing on the digital function panel 301, message finishes, and the green LED indicator light 406 on the relevant user terminals 2 is glittering, and prompting has message, press playback button 402 and can play message, after message was emitted, green LED indicator light 406 extinguished, and pressing stops key 403 can stop the current ongoing any action of user terminal.
The user can remove the message of having stored in the memory by pressing removing button 404.
The wireless transmission power that native system adopts has a plurality of power stages available less than 10 milliwatts, meets environmental protection standard, and human body is not had any harmful effect.And transmission signals adopts straight sequence spread spectrum technology, has certain anti-interference, can guarantee communication quality.
Claims (3)
1. building type wireless message leaving door bell based on the ADPCM speech compression coding algorithm, comprise a master controller (1) and one group of user terminal (2), it is characterized in that described master controller (1) and user terminal (2) carry out the exchange and the transmission of voice signal by wireless mode, adopt wireless point-to-multipoint Handshake Protocol, form the wireless speech signal transmission network; User terminal (2) has memory function, the encoding and decoding high efficiency high-quality of voice signal;
The structure of described master controller (1) is: a wireless transmit/receive units (101) connects a microprocessor (102) by an I/O mouth (104), described microprocessor (102) connects a timer (107) and an encoding and decoding speech unit (103), described encoding and decoding speech unit (103) connects a built-in microphone (105) and a boombox (106), and a power supply (108) provides working power for each component units; By microprocessor (102) control wireless transmit/receive units (101) mode of operation, after built-in microphone (105) has the voice signal input, signal sends encoding and decoding speech unit (103) to, after a series of processing is done to signal in encoding and decoding speech unit (103), encoded signals sends wireless transmit/receive units (101) to, and it is gone out from antenna transmission; After wireless transmit/receive units (101) receives voice signal, signal sends encoding and decoding speech unit (103) to by I/O mouth (104), encoding and decoding speech unit (103) emits decoded signal after signal is done a series of processing by boombox (106);
The structure of described user terminal (2) is: a wireless transmit/receive units (201) connects a microprocessor (202) by an I/O mouth (204), described microprocessor (202) connects an encoding and decoding speech unit (203), a high-speed large capacity memory (207) and a timer (208), described encoding and decoding speech unit (203) connects a built-in microphone (205) and a boombox (206), and a power supply (209) provides working power for each component units; Radio receiving transmitting module (201) is controlled its mode of operation by microprocessor (202), after the radio receiving transmitting module (201) of user terminal (2) receives voice signal, send data to encoding and decoding speech unit (203) by I/O mouth (204), encoding and decoding speech unit (203) emits decoded signal after signal is done a series of processing by boombox (206); After built-in microphone (205) has the voice signal input, signal sends encoding and decoding speech unit (203) to, after a series of processing was done to signal in encoding and decoding speech unit (203), encoded signals sent wireless transmit/receive units (201) to, and it is gone out from antenna transmission.
2. the building type wireless message leaving door bell based on the ADPCM speech compression coding algorithm according to claim 1, it is characterized in that described master controller (1) adopts hierarchical control, is the wireless speech R-T unit based on the ADPCM speech compression coding algorithm of small low-consumption.
3. according to claim 1 based on the ADPCM speech compression coding algorithm building type wireless message leaving door bell, it is characterized in that wireless transmit/receive units (201), microprocessor (202) and the high-speed large capacity memory (207) of described user terminal but formed the system of a store voice signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102039956A CN101426048B (en) | 2008-12-04 | 2008-12-04 | Building type wireless message leaving door bell based on ADPCM voice compression code |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008102039956A CN101426048B (en) | 2008-12-04 | 2008-12-04 | Building type wireless message leaving door bell based on ADPCM voice compression code |
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| Publication Number | Publication Date |
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| CN101426048A CN101426048A (en) | 2009-05-06 |
| CN101426048B true CN101426048B (en) | 2011-08-10 |
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| CN2008102039956A Expired - Fee Related CN101426048B (en) | 2008-12-04 | 2008-12-04 | Building type wireless message leaving door bell based on ADPCM voice compression code |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819690A (en) * | 2010-03-29 | 2010-09-01 | 中山大学 | Entrance control message-leaving system |
| CN101944260A (en) * | 2010-09-07 | 2011-01-12 | 南京信息工程大学 | Recording doorbell based on singlechip |
| CN102542646A (en) * | 2012-01-17 | 2012-07-04 | 信源通科技（深圳）有限公司 | Control system and control method for door lock |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2391250Y (en) * | 1999-06-22 | 2000-08-09 | 金振国 | Electronic control door light and ring |
| CN2672994Y (en) * | 2004-01-05 | 2005-01-19 | 艾孜子·斯热依 | Anti-theft telephone with door bell |
| CN2792061Y (en) * | 2005-03-01 | 2006-06-28 | 王春芳 | Wireless long-distance video signal transmitting door bell |
| CN101009817A (en) * | 2006-01-25 | 2007-08-01 | 乐金电子（南京）等离子有限公司 | Guiding method and system of the visitor |
-
2008
- 2008-12-04 CN CN2008102039956A patent/CN101426048B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2391250Y (en) * | 1999-06-22 | 2000-08-09 | 金振国 | Electronic control door light and ring |
| CN2672994Y (en) * | 2004-01-05 | 2005-01-19 | 艾孜子·斯热依 | Anti-theft telephone with door bell |
| CN2792061Y (en) * | 2005-03-01 | 2006-06-28 | 王春芳 | Wireless long-distance video signal transmitting door bell |
| CN101009817A (en) * | 2006-01-25 | 2007-08-01 | 乐金电子（南京）等离子有限公司 | Guiding method and system of the visitor |
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Owner name: HAIAN SUSHI TECHNOLOGY TRANSFORMATION CENTER CO., Free format text: FORMER OWNER: SHANGHAI UNIVERSITY Effective date: 20140516 |
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Free format text: CORRECT: ADDRESS; FROM: 200444 BAOSHAN, SHANGHAI TO: 226600 NANTONG, JIANGSU PROVINCE |
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Effective date of registration: 20140516 Address after: 226600 Yingbin Road 8, Haian Town Development Zone, Jiangsu, Nantong Patentee after: Haian Su Fu Technology Transfer Center Co.,Ltd. Address before: 200444 Baoshan District Road, Shanghai, No. 99 Patentee before: Shanghai University |
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Granted publication date: 20110810 Termination date: 20211204 |